CN215998572U

CN215998572U - Sand filter screen device for sand shooting machine

Info

Publication number: CN215998572U
Application number: CN202121576806.7U
Authority: CN
Inventors: 秦长根
Original assignee: Ningguo Changxin Wear Resistant Material Co ltd
Current assignee: Ningguo Changxin Wear Resistant Material Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-03-11
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a sand filtering screen device for a sand shooting machine, which comprises a base, wherein two ends of the top of the base are symmetrically provided with rotating ring tracks, the inner sides of the rotating ring tracks are provided with filtering screen pipes, two ends of the outer side wall of each filtering screen pipe are uniformly provided with rolling wheels, the rolling wheels are matched with the rotating ring tracks, one end of each filtering screen pipe is provided with a feeding hole, the outer side of each filtering screen pipe is sequentially provided with a first filtering screen, a second filtering screen and a third filtering screen from one end close to the feeding hole, and one end of the top of the base is provided with a driving motor. The sand screening device is provided with the first filter screen, the second filter screen and the third filter screen, and realizes step-by-step screening by gradually increasing the aperture size, so that sands with different particle sizes are screened and collected step by step, and sands with proper particle sizes are selected for use according to different industrial requirements.

Description

Sand filter screen device for sand shooting machine

Technical Field

The utility model relates to the technical field of filter screen devices, in particular to a sand filter screen device for a sand shooting machine.

Background

In the metal casting process, a sand core needs to be prepared, a conventional core making machine comprises a sand adding hopper, a sand shooting head, a sand shooting mechanism and a workbench for placing a core, wherein the sand shooting head generally comprises a sand shooting cylinder, a sand shooting head body, a sand shooting plate and a sand shooting nozzle arranged on the sand shooting plate, in the sand shooting process, firstly, the sand shooting head moves to the position below the sand adding hopper, molding sand is added into the sand shooting head by the sand adding hopper, then, the sand shooting head moves to the position below the sand shooting mechanism, compressed air is introduced into the sand shooting head by the sand shooting mechanism, the molding sand in the sand shooting head enters a core box through the sand shooting nozzle under the driving of the compressed air, the molding sand entering the core box is further compacted under the thrust action of the compressed air and subsequent molding sand, and the sand shooting money needs to be screened.

The traditional screening mode is that an operator screens through a screening screen net bag, the screening efficiency is low, manual operation is needed, the workload of the operator is increased, sand is inconvenient to screen and collect step by step, and the sand is easy to adhere to the net bag in the using process and difficult to clean.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sand filtering screen device for a sand shooting machine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a sand filter screen device for a sand shooting machine comprises a base, wherein rotating ring tracks are symmetrically arranged at two ends of the top of the base, a filter screen pipe is arranged on the inner side of each rotating ring track, rollers are evenly arranged at two ends of the outer side wall of the filter screen pipe and are matched with the rotating ring tracks, a feed hole is formed in one end of each filter screen pipe, a first filter screen, a second filter screen and a third filter screen are sequentially arranged on the outer side of each filter screen pipe from one end close to the feed hole, a driving motor is arranged at one end of the top of the base, a driving gear is arranged at the output end of the driving motor, a transmission gear ring is arranged on the outer side of each filter screen pipe and is matched with the driving gear, a mounting frame is arranged at the top of each rotating ring track, air blowers are evenly arranged at the bottom side of the mounting frame, and are respectively matched with the positions of the first filter screen, the second filter screen and the third filter screen, and a control switch is arranged on the outer side of the rotating ring track and is electrically connected with the driving motor and the blower through conducting wires.

Preferably, the inner sides of the rotating ring tracks are provided with arc-shaped grooves which are matched with the rollers.

Preferably, the outside of driving motor is provided with the motor storehouse, and the inside wall in motor storehouse all evenly is provided with the amortization cotton.

Preferably, the meshing position of the transmission gear ring and the driving gear is of a concave structure.

Preferably, the blower is fixed to the bottom side of the mounting bracket by a bracket and a mounting bolt.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the first filter screen, the second filter screen and the third filter screen, the step-by-step screening is realized in a mode of increasing the aperture size step by step, sands with different particle sizes are subjected to step-by-step screening and collection, and sands with proper particle sizes are selected for use according to different industrial requirements;

2. according to the utility model, through the arrangement of the rotating ring rail, the filter sieve tube, the roller, the driving motor, the driving gear and the transmission gear ring, the motor driving mode is adopted for driving, so that automatic sieving and propelling are realized, the rotating stability is improved, the friction force is reduced, and the waste of power is avoided;

3. according to the utility model, through the arrangement of the mounting frame and the air blowers, different filter screens are continuously blown by the multiple groups of air blowers, so that the speed of the filter screens is improved, the time required by the filter screens is shortened, and the problems that sand is attached to each filter screen, is difficult to clean and even influences the continuous operation of the automatic filter screens are avoided.

Drawings

FIG. 1 is a schematic front cross-sectional view of the present invention;

fig. 2 is a schematic front view of the present invention.

In the figure: 1. a base; 2. a rotating ring track; 3. a screen filtering pipe; 4. a roller; 5. a feed port; 6. a first filter screen; 7. a second filter screen; 8. a third filter screen; 9. a drive motor; 10. a drive gear; 11. a transmission gear ring; 12. a mounting frame; 13. a blower; 14. and controlling the switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown: the utility model provides a sand filter sieve device for sand shooting machine, including base 1, rotatory ring track 2 is installed to the both ends symmetry at base 1 top, and rotatory ring track 2 inboard is provided with filter sieve pipe 3, gyro wheel 4 is all evenly installed at the both ends of filter sieve pipe 3 lateral wall, and gyro wheel 4 all cooperatees with rotatory ring track 2, feed port 5 has been seted up to the one end of filter sieve pipe 3, and the outside of filter sieve pipe 3 is provided with first filter sieve net 6, second filter sieve net 7 and third filter sieve net 8 by the one end that is close to feed port 5 in proper order, driving motor 9 is installed to the one end at base 1 top, and driving motor 9's output is installed drive gear 10, transmission ring gear 11 is installed to the outside of filter sieve pipe 3, and transmission ring gear 11 and drive gear 10 cooperate, mounting bracket 12 is installed at the top of rotatory ring track 2, and air-blower 13 is evenly installed to the bottom side of mounting bracket 12, each air-blower 13 of group respectively with first filter sieve net 6, The positions of the second filter screen cloth 7 and the third filter screen cloth 8 are matched, a control switch 14 is arranged on the outer side of the rotating ring track 2, and the control switch 14 is electrically connected with the driving motor 9 and the blower 13 through leads.

In this implementation: the inboard of swivel ring track 2 all is provided with convex recess, and convex recess all cooperatees with gyro wheel 4, improve the stability of laminating transmission position department, and power loss has been reduced, driving motor 9's the outside is provided with the motor storehouse, and the inside wall in motor storehouse all evenly is provided with the amortization cotton, protect the motor, and reduce the noise pollution that produces when functioning, transmission ring gear 11 is the indent structure with drive gear 10's meshing department, improve the stability of meshing department, avoid taking place not hard up, air-blower 13 passes through the support and the bottom side of mounting bracket 12 is fixed to the construction bolt, be convenient for carry out dismouting clearance and maintenance.

The working principle is as follows: the power is switched on (the device uses electric parts which are all powered by an external power supply), the accommodating groove is placed under the first filter screen cloth 6, the second filter screen cloth 7 and the third filter screen cloth 8, sand is added into the filter screen cloth 3 through the feed hole 5, the driving motor 9 and the blower 13 are switched on through the control switch 14 to operate, the driving motor 9 drives the filter screen cloth 3 to continuously rotate through the driving gear 10 and the transmission gear ring 11, the roller 4 rotates and rolls on the inner side of the rotating ring track 2, the sand is continuously added, the filter screen cloth 6, the second filter screen cloth 7 and the third filter screen cloth 8 are rotated and filtered simultaneously and automatically pushed forwards, and the blower 13 continuously blows air to the tops of the first filter screen cloth 6, the second filter screen cloth 7 and the third filter screen cloth 8, so that the efficiency of the filter screen is improved, and the sand is prevented from being attached to the first filter screen cloth 6, The second filter screen 7 and the third filter screen 8 are provided on the inner side walls thereof, and the contents thereof, which are not described in detail in the present specification, belong to the prior art well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a sand screen device for sand shooting machine, includes base (1), its characterized in that: the filter screen is characterized in that rotating ring tracks (2) are symmetrically arranged at two ends of the top of the base (1), a filter screen pipe (3) is arranged on the inner side of each rotating ring track (2), rollers (4) are uniformly arranged at two ends of the outer side wall of each filter screen pipe (3), the rollers (4) are matched with the rotating ring tracks (2), a feed hole (5) is formed in one end of each filter screen pipe (3), a first filter screen (6), a second filter screen (7) and a third filter screen (8) are sequentially arranged at one end, close to the feed hole (5), of the outer side of each filter screen pipe (3), a driving motor (9) is arranged at one end of the top of the base (1), a driving gear (10) is arranged at the output end of the driving motor (9), a driving gear ring (11) is arranged on the outer side of each filter screen pipe (3), the driving gear (11) is matched with the driving gear (10), a mounting frame (12) is arranged at the top of each rotating ring track (2), and the bottom side of the mounting frame (12) is uniformly provided with air blowers (13), each air blower (13) is respectively matched with the positions of the first filter screen (6), the second filter screen (7) and the third filter screen (8), the outer side of the rotary ring track (2) is provided with a control switch (14), and the control switch (14) is electrically connected with the driving motor (9) and the air blowers (13) through leads.

2. A sand screen assembly for a sand shooting machine as claimed in claim 1 wherein: the inner sides of the rotating ring tracks (2) are provided with arc-shaped grooves which are matched with the rollers (4).

3. A sand screen assembly for a sand shooting machine as claimed in claim 1 wherein: the outside of driving motor (9) is provided with the motor storehouse, and the inside wall in motor storehouse all evenly is provided with the amortization cotton.

4. A sand screen assembly for a sand shooting machine as claimed in claim 1 wherein: the meshing position of the transmission gear ring (11) and the driving gear (10) is of a concave structure.

5. A sand screen assembly for a sand shooting machine as claimed in claim 1 wherein: the blower (13) is fixed on the bottom side of the mounting frame (12) through a bracket and a mounting bolt.